src/lyxfunc.C

   1 /**
   2  * \file lyxfunc.C
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Alfredo Braunstein
   7  * \author Lars Gullik Bjønnes
   8  * \author Jean-Marc Lasgouttes
   9  * \author Angus Leeming
  10  * \author John Levon
  11  * \author André Pönitz
  12  * \author Allan Rae
  13  * \author Dekel Tsur
  14  * \author Martin Vermeer
  15  * \author Jürgen Vigna
  16  *
  17  * Full author contact details are available in file CREDITS.
  18  */
  19
  20 #include <config.h>
  21
  22 #include "lyxfunc.h"
  23
  24 #include "BranchList.h"
  25 #include "buffer.h"
  26 #include "buffer_funcs.h"
  27 #include "bufferlist.h"
  28 #include "bufferparams.h"
  29 #include "BufferView.h"
  30 #include "cursor.h"
  31 #include "debug.h"
  32 #include "dispatchresult.h"
  33 #include "encoding.h"
  34 #include "exporter.h"
  35 #include "format.h"
  36 #include "funcrequest.h"
  37 #include "gettext.h"
  38 #include "importer.h"
  39 #include "intl.h"
  40 #include "iterators.h"
  41 #include "kbmap.h"
  42 #include "LColor.h"
  43 #include "lyx_cb.h"
  44 #include "LyXAction.h"
  45 #include "lyxfind.h"
  46 #include "lyxrc.h"
  47 #include "lyxrow.h"
  48 #include "lyxserver.h"
  49 #include "lyxvc.h"
  50 #include "paragraph.h"
  51 #include "ParagraphParameters.h"
  52 #include "undo.h"
  53
  54 #include "insets/insetcommand.h"
  55 #include "insets/insetexternal.h"
  56 #include "insets/insettabular.h"
  57
  58 #include "mathed/math_cursor.h"
  59
  60 #include "frontends/Alert.h"
  61 #include "frontends/Dialogs.h"
  62 #include "frontends/FileDialog.h"
  63 #include "frontends/lyx_gui.h"
  64 #include "frontends/LyXKeySym.h"
  65 #include "frontends/LyXView.h"
  66 #include "frontends/Menubar.h"
  67 #include "frontends/Toolbar.h"
  68
  69 #include "support/FileInfo.h"
  70 #include "support/filetools.h"
  71 #include "support/forkedcontr.h"
  72 #include "support/path.h"
  73 #include "support/path_defines.h"
  74 #include "support/tostr.h"
  75 #include "support/std_sstream.h"
  76 #include "support/os.h"
  77
  78 using bv_funcs::changeDepth;
  79 using bv_funcs::currentState;
  80 using bv_funcs::DEC_DEPTH;
  81 using bv_funcs::freefont2string;
  82 using bv_funcs::INC_DEPTH;
  83
  84 using lyx::support::AddName;
  85 using lyx::support::AddPath;
  86 using lyx::support::bformat;
  87 using lyx::support::ChangeExtension;
  88 using lyx::support::FileInfo;
  89 using lyx::support::FileSearch;
  90 using lyx::support::ForkedcallsController;
  91 using lyx::support::i18nLibFileSearch;
  92 using lyx::support::IsDirWriteable;
  93 using lyx::support::IsFileReadable;
  94 using lyx::support::isStrInt;
  95 using lyx::support::MakeAbsPath;
  96 using lyx::support::MakeDisplayPath;
  97 using lyx::support::Path;
  98 using lyx::support::rtrim;
  99 using lyx::support::split;
 100 using lyx::support::strToInt;
 101 using lyx::support::strToUnsignedInt;
 102 using lyx::support::system_lyxdir;
 103 using lyx::support::token;
 104 using lyx::support::trim;
 105 using lyx::support::user_lyxdir;
 106 using lyx::support::prefixIs;
 107 using lyx::support::os::getTmpDir;
 108
 109 using std::endl;
 110 using std::make_pair;
 111 using std::string;
 112 using std::istringstream;
 113
 114
 115 extern BufferList bufferlist;
 116 extern LyXServer * lyxserver;
 117 extern bool selection_possible;
 118
 119 extern boost::scoped_ptr<kb_keymap> toplevel_keymap;
 120
 121 // (alkis)
 122 extern tex_accent_struct get_accent(kb_action action);
 123
 124 extern void ShowLatexLog();
 125
 126
 127 LyXFunc::LyXFunc(LyXView * o)
 128         : owner(o),
 129         encoded_last_key(0),
 130         keyseq(toplevel_keymap.get(), toplevel_keymap.get()),
 131         cancel_meta_seq(toplevel_keymap.get(), toplevel_keymap.get()),
 132         meta_fake_bit(key_modifier::none)
 133 {
 134 }
 135
 136
 137 void LyXFunc::moveCursorUpdate()
 138 {
 139         LyXText * lt = view()->text;
 140         if (lt->selection.mark())
 141                 lt->setSelection();
 142         view()->update();
 143         view()->switchKeyMap();
 144 }
 145
 146
 147 void LyXFunc::handleKeyFunc(kb_action action)
 148 {
 149         char c = encoded_last_key;
 150
 151         if (keyseq.length()) {
 152                 c = 0;
 153         }
 154
 155         owner->getIntl().getTransManager()
 156                 .deadkey(c, get_accent(action).accent, view()->getLyXText());
 157         // Need to clear, in case the minibuffer calls these
 158         // actions
 159         keyseq.clear();
 160         // copied verbatim from do_accent_char
 161         view()->update();
 162         view()->getLyXText()->selection.cursor = view()->getLyXText()->cursor;
 163 }
 164
 165
 166 void LyXFunc::processKeySym(LyXKeySymPtr keysym,
 167                             key_modifier::state state)
 168 {
 169         string argument;
 170
 171         if (lyxerr.debugging(Debug::KEY)) {
 172                 lyxerr << "KeySym is "
 173                        << keysym->getSymbolName()
 174                        << endl;
 175         }
 176
 177         // Do nothing if we have nothing (JMarc)
 178         if (!keysym->isOK()) {
 179                 lyxerr[Debug::KEY] << "Empty kbd action (probably composing)"
 180                                    << endl;
 181                 return;
 182         }
 183
 184         if (keysym->isModifier()) {
 185                 lyxerr[Debug::KEY] << "isModifier true" << endl;
 186                 return;
 187         }
 188
 189         Encoding const * encoding = view()->getEncoding();
 190
 191         encoded_last_key = keysym->getISOEncoded(encoding ? encoding->Name() : "");
 192
 193         // Do a one-deep top-level lookup for
 194         // cancel and meta-fake keys. RVDK_PATCH_5
 195         cancel_meta_seq.reset();
 196
 197         FuncRequest func = cancel_meta_seq.addkey(keysym, state);
 198         lyxerr[Debug::KEY] << "action first set to [" << func.action << ']' << endl;
 199
 200         // When not cancel or meta-fake, do the normal lookup.
 201         // Note how the meta_fake Mod1 bit is OR-ed in and reset afterwards.
 202         // Mostly, meta_fake_bit = key_modifier::none. RVDK_PATCH_5.
 203         if ((func.action != LFUN_CANCEL) && (func.action != LFUN_META_FAKE)) {
 204                 // remove Caps Lock and Mod2 as a modifiers
 205                 func = keyseq.addkey(keysym, (state | meta_fake_bit));
 206                 lyxerr[Debug::KEY] << "action now set to ["
 207                         << func.action << ']' << endl;
 208         }
 209
 210         // Dont remove this unless you know what you are doing.
 211         meta_fake_bit = key_modifier::none;
 212
 213         // can this happen now ?
 214         if (func.action == LFUN_NOACTION) {
 215                 func = FuncRequest(LFUN_PREFIX);
 216         }
 217
 218         if (lyxerr.debugging(Debug::KEY)) {
 219                 lyxerr << "Key [action="
 220                        << func.action << "]["
 221                        << keyseq.print() << ']'
 222                        << endl;
 223         }
 224
 225         // already here we know if it any point in going further
 226         // why not return already here if action == -1 and
 227         // num_bytes == 0? (Lgb)
 228
 229         if (keyseq.length() > 1) {
 230                 owner->message(keyseq.print());
 231         }
 232
 233
 234         // Maybe user can only reach the key via holding down shift.
 235         // Let's see. But only if shift is the only modifier
 236         if (func.action == LFUN_UNKNOWN_ACTION &&
 237             state == key_modifier::shift) {
 238                 lyxerr[Debug::KEY] << "Trying without shift" << endl;
 239                 func = keyseq.addkey(keysym, key_modifier::none);
 240                 lyxerr[Debug::KEY] << "Action now " << func.action << endl;
 241         }
 242
 243         if (func.action == LFUN_UNKNOWN_ACTION) {
 244                 // Hmm, we didn't match any of the keysequences. See
 245                 // if it's normal insertable text not already covered
 246                 // by a binding
 247                 if (keysym->isText() && keyseq.length() == 1) {
 248                         lyxerr[Debug::KEY] << "isText() is true, inserting." << endl;
 249                         func = FuncRequest(LFUN_SELFINSERT);
 250                 } else {
 251                         lyxerr[Debug::KEY] << "Unknown, !isText() - giving up" << endl;
 252                         owner->message(_("Unknown function."));
 253                         return;
 254                 }
 255         }
 256
 257         if (func.action == LFUN_SELFINSERT) {
 258                 if (encoded_last_key != 0) {
 259                         string arg;
 260                         arg += encoded_last_key;
 261
 262                         dispatch(FuncRequest(view(), LFUN_SELFINSERT, arg));
 263
 264                         lyxerr[Debug::KEY] << "SelfInsert arg[`"
 265                                    << argument << "']" << endl;
 266                 }
 267         } else {
 268                 dispatch(func);
 269         }
 270 }
 271
 272
 273 FuncStatus LyXFunc::getStatus(FuncRequest const & ev) const
 274 {
 275         FuncStatus flag;
 276         Buffer * buf = owner->buffer();
 277
 278         if (ev.action == LFUN_NOACTION) {
 279                 setStatusMessage(N_("Nothing to do"));
 280                 flag.disabled(true);
 281                 return flag;
 282         }
 283
 284         switch (ev.action) {
 285         case LFUN_UNKNOWN_ACTION:
 286 #ifndef HAVE_LIBAIKSAURUS
 287         case LFUN_THESAURUS_ENTRY:
 288 #endif
 289                 flag.unknown(true);
 290                 flag.disabled(true);
 291                 break;
 292         default:
 293                 flag |= lyx_gui::getStatus(ev);
 294         }
 295
 296         if (flag.unknown()) {
 297                 setStatusMessage(N_("Unknown action"));
 298                 return flag;
 299         }
 300
 301         // the default error message if we disable the command
 302         setStatusMessage(N_("Command disabled"));
 303
 304         // Check whether we need a buffer
 305         if (!lyxaction.funcHasFlag(ev.action, LyXAction::NoBuffer)) {
 306                 // Yes we need a buffer, do we have one?
 307                 if (buf) {
 308                         // yes
 309                         // Can we use a readonly buffer?
 310                         if (buf->isReadonly() &&
 311                             !lyxaction.funcHasFlag(ev.action,
 312                                                    LyXAction::ReadOnly)) {
 313                                 // no
 314                                 setStatusMessage(N_("Document is read-only"));
 315                                 flag.disabled(true);
 316                         }
 317                 } else {
 318                         // no
 319                         setStatusMessage(N_("Command not allowed with"
 320                                             "out any document open"));
 321                         flag.disabled(true);
 322                         return flag;
 323                 }
 324         }
 325
 326         UpdatableInset * tli = view()->cursor().innerInset();
 327         InsetTabular * tab = view()->cursor().innerInsetTabular();
 328
 329         // I would really like to avoid having this switch and rather try to
 330         // encode this in the function itself.
 331         bool disable = false;
 332         switch (ev.action) {
 333         case LFUN_EXPORT:
 334                 disable = ev.argument != "custom"
 335                         && !Exporter::IsExportable(*buf, ev.argument);
 336                 break;
 337         case LFUN_UNDO:
 338                 disable = buf->undostack().empty();
 339                 break;
 340         case LFUN_REDO:
 341                 disable = buf->redostack().empty();
 342                 break;
 343         case LFUN_CUT:
 344         case LFUN_COPY:
 345                 if (tab && tab->hasSelection())
 346                         disable = false;
 347                 else
 348                         disable = !mathcursor && !view()->getLyXText()->selection.set();
 349                 break;
 350
 351         case LFUN_RUNCHKTEX:
 352                 disable = !buf->isLatex() || lyxrc.chktex_command == "none";
 353                 break;
 354
 355         case LFUN_BUILDPROG:
 356                 disable = !Exporter::IsExportable(*buf, "program");
 357                 break;
 358
 359         case LFUN_LAYOUT_TABULAR:
 360                 disable = !view()->cursor().innerInsetTabular();
 361                 break;
 362
 363         case LFUN_DEPTH_MIN:
 364                 disable = !changeDepth(view(), view()->getLyXText(), DEC_DEPTH, true);
 365                 break;
 366
 367         case LFUN_DEPTH_PLUS:
 368                 disable = !changeDepth(view(), view()->getLyXText(), INC_DEPTH, true);
 369                 break;
 370
 371         case LFUN_LAYOUT:
 372         case LFUN_LAYOUT_PARAGRAPH: {
 373                 InsetOld * inset = view()->getLyXText()->cursorPar()->inInset();
 374                 disable = inset && inset->forceDefaultParagraphs(inset);
 375                 break;
 376         }
 377
 378         case LFUN_INSET_OPTARG:
 379                 disable = (view()->getLyXText()->cursorPar()->layout()->optionalargs == 0);
 380                 break;
 381
 382         case LFUN_TABULAR_FEATURE:
 383 #if 0
 384                 if (mathcursor) {
 385                         // FIXME: check temporarily disabled
 386                         // valign code
 387                         char align = mathcursor->valign();
 388                         if (align == '\0') {
 389                                 disable = true;
 390                                 break;
 391                         }
 392                         if (ev.argument.empty()) {
 393                                 flag.clear();
 394                                 break;
 395                         }
 396                         if (!contains("tcb", ev.argument[0])) {
 397                                 disable = true;
 398                                 break;
 399                         }
 400                         flag.setOnOff(ev.argument[0] == align);
 401                 } else {
 402                         disable = true;
 403
 404                         char align = mathcursor->halign();
 405                         if (align == '\0') {
 406                                 disable = true;
 407                                 break;
 408                         }
 409                         if (ev.argument.empty()) {
 410                                 flag.clear();
 411                                 break;
 412                         }
 413                         if (!contains("lcr", ev.argument[0])) {
 414                                 disable = true;
 415                                 break;
 416                         }
 417                         flag.setOnOff(ev.argument[0] == align);
 418
 419                         disable = !mathcursor->halign();
 420                         break;
 421                 }
 422
 423                 if (tli) {
 424                         FuncStatus ret;
 425                         //ret.disabled(true);
 426                         InsetTabular * tab = view()->cursor().innerInsetTabular();
 427                         if (tab) {
 428                                 ret = tab->getStatus(ev.argument);
 429                                 flag |= ret;
 430                                 disable = false;
 431                         } else {
 432                                 disable = true;
 433                         }
 434                 } else {
 435                         static InsetTabular inset(*buf, 1, 1);
 436                         disable = true;
 437                         FuncStatus ret = inset.getStatus(ev.argument);
 438                         if (ret.onoff(true) || ret.onoff(false))
 439                                 flag.setOnOff(false);
 440                 }
 441 #endif
 442                 break;
 443
 444         case LFUN_VC_REGISTER:
 445                 disable = buf->lyxvc().inUse();
 446                 break;
 447         case LFUN_VC_CHECKIN:
 448                 disable = !buf->lyxvc().inUse() || buf->isReadonly();
 449                 break;
 450         case LFUN_VC_CHECKOUT:
 451                 disable = !buf->lyxvc().inUse() || !buf->isReadonly();
 452                 break;
 453         case LFUN_VC_REVERT:
 454         case LFUN_VC_UNDO:
 455                 disable = !buf->lyxvc().inUse();
 456                 break;
 457         case LFUN_MENURELOAD:
 458                 disable = buf->isUnnamed() || buf->isClean();
 459                 break;
 460         case LFUN_BOOKMARK_GOTO:
 461                 disable = !view()->
 462                         isSavedPosition(strToUnsignedInt(ev.argument));
 463                 break;
 464
 465         case LFUN_MERGE_CHANGES:
 466         case LFUN_ACCEPT_CHANGE:
 467         case LFUN_REJECT_CHANGE:
 468         case LFUN_ACCEPT_ALL_CHANGES:
 469         case LFUN_REJECT_ALL_CHANGES:
 470                 disable = !buf->params().tracking_changes;
 471                 break;
 472
 473         case LFUN_INSET_TOGGLE: {
 474                 LyXText * lt = view()->getLyXText();
 475                 disable = !(isEditableInset(lt->getInset())
 476                             || (lt->inset_owner
 477                                 && lt->inset_owner->owner()
 478                                 && lt->inset_owner->owner()->isOpen()));
 479                 break;
 480         }
 481
 482         case LFUN_INSET_SETTINGS: {
 483                 disable = true;
 484                 UpdatableInset * inset = view()->cursor().innerInset();
 485
 486                 if (!inset)
 487                         break;
 488
 489                 // jump back to owner if an InsetText, so
 490                 // we get back to the InsetTabular or whatever
 491                 if (inset->lyxCode() == InsetOld::TEXT_CODE)
 492                         inset = inset->owner();
 493
 494                 InsetOld::Code code = inset->lyxCode();
 495                 switch (code) {
 496                         case InsetOld::TABULAR_CODE:
 497                                 disable = ev.argument != "tabular";
 498                                 break;
 499                         case InsetOld::ERT_CODE:
 500                                 disable = ev.argument != "ert";
 501                                 break;
 502                         case InsetOld::FLOAT_CODE:
 503                                 disable = ev.argument != "float";
 504                                 break;
 505                         case InsetOld::MINIPAGE_CODE:
 506                                 disable = ev.argument != "minipage";
 507                                 break;
 508                         case InsetOld::WRAP_CODE:
 509                                 disable = ev.argument != "wrap";
 510                                 break;
 511                         case InsetOld::NOTE_CODE:
 512                                 disable = ev.argument != "note";
 513                                 break;
 514                         case InsetOld::BRANCH_CODE:
 515                                 disable = ev.argument != "branch";
 516                                 break;
 517                         case InsetOld::BOX_CODE:
 518                                 disable = ev.argument != "box";
 519                                 break;
 520                         default:
 521                                 break;
 522                 }
 523                 break;
 524         }
 525
 526         case LFUN_MATH_MUTATE:
 527                 if (mathcursor)
 528                         //flag.setOnOff(mathcursor->formula()->hullType() == ev.argument);
 529                         flag.setOnOff(false);
 530                 else
 531                         disable = true;
 532                 break;
 533
 534         // we just need to be in math mode to enable that
 535         case LFUN_MATH_SIZE:
 536         case LFUN_MATH_SPACE:
 537         case LFUN_MATH_LIMITS:
 538         case LFUN_MATH_NONUMBER:
 539         case LFUN_MATH_NUMBER:
 540         case LFUN_MATH_EXTERN:
 541                 disable = !mathcursor;
 542                 break;
 543
 544         case LFUN_DIALOG_SHOW: {
 545                 string const name = ev.getArg(0);
 546                 if (!buf) {
 547                         disable = !(name == "aboutlyx" ||
 548                                     name == "file" ||
 549                                     name == "forks" ||
 550                                     name == "preferences" ||
 551                                     name == "texinfo");
 552                         break;
 553                 }
 554
 555                 if (name == "print") {
 556                         disable = !Exporter::IsExportable(*buf, "dvi") ||
 557                                 lyxrc.print_command == "none";
 558                 } else if (name == "character") {
 559                         UpdatableInset * tli = view()->cursor().innerInset();
 560                         disable = tli && tli->lyxCode() == InsetOld::ERT_CODE;
 561                 } else if (name == "vclog") {
 562                         disable = !buf->lyxvc().inUse();
 563                 } else if (name == "latexlog") {
 564                         disable = !IsFileReadable(buf->getLogName().second);
 565                 }
 566                 break;
 567         }
 568
 569         default:
 570                 break;
 571         }
 572
 573         // the functions which insert insets
 574         InsetOld::Code code = InsetOld::NO_CODE;
 575         switch (ev.action) {
 576         case LFUN_DIALOG_SHOW_NEW_INSET:
 577                 if (ev.argument == "bibitem")
 578                         code = InsetOld::BIBITEM_CODE;
 579                 else if (ev.argument == "bibtex")
 580                         code = InsetOld::BIBTEX_CODE;
 581                 else if (ev.argument == "citation")
 582                         code = InsetOld::CITE_CODE;
 583                 else if (ev.argument == "ert")
 584                         code = InsetOld::ERT_CODE;
 585                 else if (ev.argument == "external")
 586                         code = InsetOld::EXTERNAL_CODE;
 587                 else if (ev.argument == "float")
 588                         code = InsetOld::FLOAT_CODE;
 589                 else if (ev.argument == "graphics")
 590                         code = InsetOld::GRAPHICS_CODE;
 591                 else if (ev.argument == "include")
 592                         code = InsetOld::INCLUDE_CODE;
 593                 else if (ev.argument == "index")
 594                         code = InsetOld::INDEX_CODE;
 595                 else if (ev.argument == "label")
 596                         code = InsetOld::LABEL_CODE;
 597                 else if (ev.argument == "minipage")
 598                         code = InsetOld::MINIPAGE_CODE;
 599                 else if (ev.argument == "ref")
 600                         code = InsetOld::REF_CODE;
 601                 else if (ev.argument == "toc")
 602                         code = InsetOld::TOC_CODE;
 603                 else if (ev.argument == "url")
 604                         code = InsetOld::URL_CODE;
 605                 else if (ev.argument == "wrap")
 606                         code = InsetOld::WRAP_CODE;
 607                 break;
 608
 609         case LFUN_INSET_ERT:
 610                 code = InsetOld::ERT_CODE;
 611                 break;
 612         case LFUN_INSET_FOOTNOTE:
 613                 code = InsetOld::FOOT_CODE;
 614                 break;
 615         case LFUN_TABULAR_INSERT:
 616                 code = InsetOld::TABULAR_CODE;
 617                 break;
 618         case LFUN_INSET_MARGINAL:
 619                 code = InsetOld::MARGIN_CODE;
 620                 break;
 621         case LFUN_INSET_MINIPAGE:
 622                 code = InsetOld::MINIPAGE_CODE;
 623                 break;
 624         case LFUN_INSET_FLOAT:
 625         case LFUN_INSET_WIDE_FLOAT:
 626                 code = InsetOld::FLOAT_CODE;
 627                 break;
 628         case LFUN_INSET_WRAP:
 629                 code = InsetOld::WRAP_CODE;
 630                 break;
 631         case LFUN_FLOAT_LIST:
 632                 code = InsetOld::FLOAT_LIST_CODE;
 633                 break;
 634 #if 0
 635         case LFUN_INSET_LIST:
 636                 code = InsetOld::LIST_CODE;
 637                 break;
 638         case LFUN_INSET_THEOREM:
 639                 code = InsetOld::THEOREM_CODE;
 640                 break;
 641 #endif
 642         case LFUN_INSET_CAPTION:
 643                 code = InsetOld::CAPTION_CODE;
 644                 break;
 645         case LFUN_INSERT_NOTE:
 646                 code = InsetOld::NOTE_CODE;
 647                 break;
 648         case LFUN_INSERT_BOX:
 649                 code = InsetOld::BOX_CODE;
 650                 break;
 651         case LFUN_INSERT_BRANCH:
 652                 code = InsetOld::BRANCH_CODE;
 653                 if (buf->params().branchlist().empty())
 654                         disable = true;
 655                 break;
 656         case LFUN_INSERT_LABEL:
 657                 code = InsetOld::LABEL_CODE;
 658                 break;
 659         case LFUN_INSET_OPTARG:
 660                 code = InsetOld::OPTARG_CODE;
 661                 break;
 662         case LFUN_ENVIRONMENT_INSERT:
 663                 code = InsetOld::MINIPAGE_CODE;
 664                 break;
 665         case LFUN_INDEX_INSERT:
 666                 code = InsetOld::INDEX_CODE;
 667                 break;
 668         case LFUN_INDEX_PRINT:
 669                 code = InsetOld::INDEX_PRINT_CODE;
 670                 break;
 671         case LFUN_TOC_INSERT:
 672                 code = InsetOld::TOC_CODE;
 673                 break;
 674         case LFUN_HTMLURL:
 675         case LFUN_URL:
 676                 code = InsetOld::URL_CODE;
 677                 break;
 678         case LFUN_QUOTE:
 679                 // always allow this, since we will inset a raw quote
 680                 // if an inset is not allowed.
 681                 break;
 682         case LFUN_HYPHENATION:
 683         case LFUN_LIGATURE_BREAK:
 684         case LFUN_HFILL:
 685         case LFUN_MENU_SEPARATOR:
 686         case LFUN_LDOTS:
 687         case LFUN_END_OF_SENTENCE:
 688                 code = InsetOld::SPECIALCHAR_CODE;
 689                 break;
 690         case LFUN_SPACE_INSERT:
 691                 // slight hack: we know this is allowed in math mode
 692                 if (!mathcursor)
 693                         code = InsetOld::SPACE_CODE;
 694                 break;
 695         case LFUN_INSET_DIALOG_SHOW: {
 696                 InsetOld * inset = view()->getLyXText()->getInset();
 697                 disable = !inset;
 698                 if (!disable) {
 699                         code = inset->lyxCode();
 700                         if (!(code == InsetOld::INCLUDE_CODE
 701                                 || code == InsetOld::BIBTEX_CODE
 702                                 || code == InsetOld::FLOAT_LIST_CODE
 703                                 || code == InsetOld::TOC_CODE))
 704                                 disable = true;
 705                 }
 706                 break;
 707         }
 708         default:
 709                 break;
 710         }
 711         if (code != InsetOld::NO_CODE && tli && !tli->insetAllowed(code))
 712                 disable = true;
 713
 714         if (disable)
 715                 flag.disabled(true);
 716
 717         // A few general toggles
 718         switch (ev.action) {
 719         case LFUN_TOOLTIPS_TOGGLE:
 720                 flag.setOnOff(owner->getDialogs().tooltipsEnabled());
 721                 break;
 722
 723         case LFUN_READ_ONLY_TOGGLE:
 724                 flag.setOnOff(buf->isReadonly());
 725                 break;
 726         case LFUN_APPENDIX:
 727                 flag.setOnOff(view()->getLyXText()->cursorPar()->params().startOfAppendix());
 728                 break;
 729         case LFUN_SWITCHBUFFER:
 730                 // toggle on the current buffer, but do not toggle off
 731                 // the other ones (is that a good idea?)
 732                 if (ev.argument == buf->fileName())
 733                         flag.setOnOff(true);
 734                 break;
 735         case LFUN_TRACK_CHANGES:
 736                 flag.setOnOff(buf->params().tracking_changes);
 737                 break;
 738         default:
 739                 break;
 740         }
 741
 742 #ifdef LOCK
 743         // the font related toggles
 744         if (!mathcursor) {
 745                 LyXFont const & font = view()->getLyXText()->real_current_font;
 746                 switch (ev.action) {
 747                 case LFUN_EMPH:
 748                         flag.setOnOff(font.emph() == LyXFont::ON);
 749                         break;
 750                 case LFUN_NOUN:
 751                         flag.setOnOff(font.noun() == LyXFont::ON);
 752                         break;
 753                 case LFUN_BOLD:
 754                         flag.setOnOff(font.series() == LyXFont::BOLD_SERIES);
 755                         break;
 756                 case LFUN_SANS:
 757                         flag.setOnOff(font.family() == LyXFont::SANS_FAMILY);
 758                         break;
 759                 case LFUN_ROMAN:
 760                         flag.setOnOff(font.family() == LyXFont::ROMAN_FAMILY);
 761                         break;
 762                 case LFUN_CODE:
 763                         flag.setOnOff(font.family() == LyXFont::TYPEWRITER_FAMILY);
 764                         break;
 765                 default:
 766                         break;
 767                 }
 768         } else {
 769                 string tc = mathcursor->getLastCode();
 770                 switch (ev.action) {
 771                 case LFUN_BOLD:
 772                         flag.setOnOff(tc == "mathbf");
 773                         break;
 774                 case LFUN_SANS:
 775                         flag.setOnOff(tc == "mathsf");
 776                         break;
 777                 case LFUN_EMPH:
 778                         flag.setOnOff(tc == "mathcal");
 779                         break;
 780                 case LFUN_ROMAN:
 781                         flag.setOnOff(tc == "mathrm");
 782                         break;
 783                 case LFUN_CODE:
 784                         flag.setOnOff(tc == "mathtt");
 785                         break;
 786                 case LFUN_NOUN:
 787                         flag.setOnOff(tc == "mathbb");
 788                         break;
 789                 case LFUN_DEFAULT:
 790                         flag.setOnOff(tc == "mathnormal");
 791                         break;
 792                 default:
 793                         break;
 794                 }
 795         }
 796 #endif
 797
 798         // this one is difficult to get right. As a half-baked
 799         // solution, we consider only the first action of the sequence
 800         if (ev.action == LFUN_SEQUENCE) {
 801                 // argument contains ';'-terminated commands
 802 #warning LyXAction arguments not handled here.
 803                 flag = getStatus(FuncRequest(lyxaction.lookupFunc(token(ev.argument, ';', 0))));
 804         }
 805
 806         return flag;
 807 }
 808
 809
 810 namespace {
 811
 812 bool ensureBufferClean(BufferView * bv)
 813 {
 814         Buffer & buf = *bv->buffer();
 815         if (buf.isClean())
 816                 return true;
 817
 818         string const file = MakeDisplayPath(buf.fileName(), 30);
 819         string text = bformat(_("The document %1$s has unsaved "
 820                                 "changes.\n\nDo you want to save "
 821                                 "the document?"), file);
 822         int const ret = Alert::prompt(_("Save changed document?"),
 823                                       text, 0, 1, _("&Save"),
 824                                       _("&Cancel"));
 825
 826         if (ret == 0)
 827                 bv->owner()->dispatch(FuncRequest(LFUN_MENUWRITE));
 828
 829         return buf.isClean();
 830 }
 831
 832 } //namespace anon
 833
 834
 835 void LyXFunc::dispatch(FuncRequest const & func, bool verbose)
 836 {
 837         string argument = func.argument;
 838         kb_action action = func.action;
 839
 840         //lyxerr[Debug::ACTION] << "LyXFunc::dispatch: cmd: " << func << endl;
 841         lyxerr << "LyXFunc::dispatch: cmd: " << func << endl;
 842
 843         // we have not done anything wrong yet.
 844         errorstat = false;
 845         dispatch_buffer.erase();
 846
 847 #ifdef NEW_DISPATCHER
 848         // We try do call the most specific dispatcher first:
 849         //  1. the lockinginset's dispatch
 850         //  2. the bufferview's dispatch
 851         //  3. the lyxview's dispatch
 852 #endif
 853
 854         selection_possible = false;
 855
 856         // We cannot use this function here
 857         if (getStatus(func).disabled()) {
 858                 lyxerr[Debug::ACTION] << "LyXFunc::dispatch: "
 859                        << lyxaction.getActionName(action)
 860                        << " [" << action << "] is disabled at this location"
 861                        << endl;
 862                 setErrorMessage(getStatusMessage());
 863                 goto exit_with_message;
 864         }
 865
 866         if (view()->available())
 867                 view()->hideCursor();
 868
 869         switch (action) {
 870
 871         case LFUN_ESCAPE: {
 872                 if (!view()->available())
 873                         break;
 874                 view()->cursor().pop();
 875                 // Tell the paragraph dialog that we changed paragraph
 876                 dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
 877                 break;
 878         }
 879
 880         case LFUN_WORDFINDFORWARD:
 881         case LFUN_WORDFINDBACKWARD: {
 882                 static string last_search;
 883                 string searched_string;
 884
 885                 if (!argument.empty()) {
 886                         last_search = argument;
 887                         searched_string = argument;
 888                 } else {
 889                         searched_string = last_search;
 890                 }
 891                 bool fw = (action == LFUN_WORDFINDFORWARD);
 892                 if (!searched_string.empty())
 893                         lyx::find::find(view(), searched_string,
 894                                         true, false, fw);
 895                 break;
 896         }
 897
 898         case LFUN_PREFIX:
 899                 if (view()->available())
 900                         view()->update();
 901                 owner->message(keyseq.printOptions());
 902                 break;
 903
 904         // --- Misc -------------------------------------------
 905         case LFUN_EXEC_COMMAND:
 906                 owner->focus_command_buffer();
 907                 break;
 908
 909         case LFUN_CANCEL:
 910                 keyseq.reset();
 911                 meta_fake_bit = key_modifier::none;
 912                 if (view()->available())
 913                         // cancel any selection
 914                         dispatch(FuncRequest(LFUN_MARK_OFF));
 915                 setMessage(N_("Cancel"));
 916                 break;
 917
 918         case LFUN_META_FAKE:
 919                 meta_fake_bit = key_modifier::alt;
 920                 setMessage(keyseq.print());
 921                 break;
 922
 923         case LFUN_READ_ONLY_TOGGLE:
 924                 if (owner->buffer()->lyxvc().inUse())
 925                         owner->buffer()->lyxvc().toggleReadOnly();
 926                 else
 927                         owner->buffer()->setReadonly(
 928                                 !owner->buffer()->isReadonly());
 929                 break;
 930
 931         case LFUN_CENTER: // this is center and redraw.
 932                 view()->center();
 933                 break;
 934
 935         // --- Menus -----------------------------------------------
 936         case LFUN_MENUNEW:
 937                 menuNew(argument, false);
 938                 break;
 939
 940         case LFUN_MENUNEWTMPLT:
 941                 menuNew(argument, true);
 942                 break;
 943
 944         case LFUN_CLOSEBUFFER:
 945                 closeBuffer();
 946                 break;
 947
 948         case LFUN_MENUWRITE:
 949                 if (!owner->buffer()->isUnnamed()) {
 950                         string const str = bformat(_("Saving document %1$s..."),
 951                            MakeDisplayPath(owner->buffer()->fileName()));
 952                         owner->message(str);
 953                         MenuWrite(owner->buffer());
 954                         owner->message(str + _(" done."));
 955                 } else
 956                         WriteAs(owner->buffer());
 957                 break;
 958
 959         case LFUN_WRITEAS:
 960                 WriteAs(owner->buffer(), argument);
 961                 break;
 962
 963         case LFUN_MENURELOAD: {
 964                 string const file = MakeDisplayPath(view()->buffer()->fileName(), 20);
 965                 string text = bformat(_("Any changes will be lost. Are you sure "
 966                         "you want to revert to the saved version of the document %1$s?"), file);
 967                 int const ret = Alert::prompt(_("Revert to saved document?"),
 968                         text, 0, 1, _("&Revert"), _("&Cancel"));
 969
 970                 if (ret == 0)
 971                         view()->reload();
 972                 break;
 973         }
 974
 975         case LFUN_UPDATE:
 976                 Exporter::Export(owner->buffer(), argument, true);
 977                 view()->showErrorList(BufferFormat(*owner->buffer()));
 978                 break;
 979
 980         case LFUN_PREVIEW:
 981                 Exporter::Preview(owner->buffer(), argument);
 982                 view()->showErrorList(BufferFormat(*owner->buffer()));
 983                 break;
 984
 985         case LFUN_BUILDPROG:
 986                 Exporter::Export(owner->buffer(), "program", true);
 987                 view()->showErrorList(_("Build"));
 988                 break;
 989
 990         case LFUN_RUNCHKTEX:
 991                 owner->buffer()->runChktex();
 992                 view()->showErrorList(_("ChkTeX"));
 993                 break;
 994
 995         case LFUN_EXPORT:
 996                 if (argument == "custom")
 997                         owner->getDialogs().showSendto();
 998                 else {
 999                         Exporter::Export(owner->buffer(), argument, false);
1000                         view()->showErrorList(BufferFormat(*owner->buffer()));
1001                 }
1002                 break;
1003
1004         case LFUN_IMPORT:
1005                 doImport(argument);
1006                 break;
1007
1008         case LFUN_QUIT:
1009                 QuitLyX();
1010                 break;
1011
1012         case LFUN_TOCVIEW: {
1013                 InsetCommandParams p("tableofcontents");
1014                 string const data = InsetCommandMailer::params2string("toc", p);
1015                 owner->getDialogs().show("toc", data, 0);
1016                 break;
1017         }
1018
1019         case LFUN_AUTOSAVE:
1020                 AutoSave(view());
1021                 break;
1022
1023         case LFUN_UNDO:
1024                 view()->undo();
1025                 break;
1026
1027         case LFUN_REDO:
1028                 view()->redo();
1029                 break;
1030
1031         case LFUN_RECONFIGURE:
1032                 Reconfigure(view());
1033                 break;
1034
1035         case LFUN_HELP_OPEN: {
1036                 string const arg = argument;
1037                 if (arg.empty()) {
1038                         setErrorMessage(N_("Missing argument"));
1039                         break;
1040                 }
1041                 string const fname = i18nLibFileSearch("doc", arg, "lyx");
1042                 if (fname.empty()) {
1043                         lyxerr << "LyX: unable to find documentation file `"
1044                                << arg << "'. Bad installation?" << endl;
1045                         break;
1046                 }
1047                 owner->message(bformat(_("Opening help file %1$s..."),
1048                         MakeDisplayPath(fname)));
1049                 view()->loadLyXFile(fname, false);
1050                 break;
1051         }
1052
1053         // --- version control -------------------------------
1054         case LFUN_VC_REGISTER:
1055                 if (!ensureBufferClean(view()))
1056                         break;
1057                 if (!owner->buffer()->lyxvc().inUse()) {
1058                         owner->buffer()->lyxvc().registrer();
1059                         view()->reload();
1060                 }
1061                 break;
1062
1063         case LFUN_VC_CHECKIN:
1064                 if (!ensureBufferClean(view()))
1065                         break;
1066                 if (owner->buffer()->lyxvc().inUse()
1067                     && !owner->buffer()->isReadonly()) {
1068                         owner->buffer()->lyxvc().checkIn();
1069                         view()->reload();
1070                 }
1071                 break;
1072
1073         case LFUN_VC_CHECKOUT:
1074                 if (!ensureBufferClean(view()))
1075                         break;
1076                 if (owner->buffer()->lyxvc().inUse()
1077                     && owner->buffer()->isReadonly()) {
1078                         owner->buffer()->lyxvc().checkOut();
1079                         view()->reload();
1080                 }
1081                 break;
1082
1083         case LFUN_VC_REVERT:
1084                 owner->buffer()->lyxvc().revert();
1085                 view()->reload();
1086                 break;
1087
1088         case LFUN_VC_UNDO:
1089                 owner->buffer()->lyxvc().undoLast();
1090                 view()->reload();
1091                 break;
1092
1093         // --- buffers ----------------------------------------
1094         case LFUN_SWITCHBUFFER:
1095                 view()->buffer(bufferlist.getBuffer(argument));
1096                 break;
1097
1098         case LFUN_FILE_NEW:
1099                 NewFile(view(), argument);
1100                 break;
1101
1102         case LFUN_FILE_OPEN:
1103                 open(argument);
1104                 break;
1105
1106         case LFUN_LAYOUT_TABULAR:
1107                 if (InsetTabular * tab = view()->cursor().innerInsetTabular())
1108                         tab->openLayoutDialog(view());
1109                 break;
1110
1111         case LFUN_DROP_LAYOUTS_CHOICE:
1112                 owner->getToolbar().openLayoutList();
1113                 break;
1114
1115         case LFUN_MENU_OPEN_BY_NAME:
1116                 owner->getMenubar().openByName(argument);
1117                 break;
1118
1119         // --- lyxserver commands ----------------------------
1120         case LFUN_GETNAME:
1121                 setMessage(owner->buffer()->fileName());
1122                 lyxerr[Debug::INFO] << "FNAME["
1123                                << owner->buffer()->fileName()
1124                                << "] " << endl;
1125                 break;
1126
1127         case LFUN_NOTIFY:
1128                 dispatch_buffer = keyseq.print();
1129                 lyxserver->notifyClient(dispatch_buffer);
1130                 break;
1131
1132         case LFUN_GOTOFILEROW: {
1133                 string file_name;
1134                 int row;
1135                 istringstream is(argument);
1136                 is >> file_name >> row;
1137                 if (prefixIs(file_name, getTmpDir())) {
1138                         // Needed by inverse dvi search. If it is a file
1139                         // in tmpdir, call the apropriated function
1140                         view()->buffer(bufferlist.getBufferFromTmp(file_name));
1141                 } else {
1142                         // Must replace extension of the file to be .lyx
1143                         // and get full path
1144                         string const s = ChangeExtension(file_name, ".lyx");
1145                         // Either change buffer or load the file
1146                         if (bufferlist.exists(s)) {
1147                                 view()->buffer(bufferlist.getBuffer(s));
1148                         } else {
1149                                 view()->loadLyXFile(s);
1150                         }
1151                 }
1152
1153                 view()->setCursorFromRow(row);
1154
1155                 view()->center();
1156                 // see BufferView_pimpl::center()
1157                 view()->updateScrollbar();
1158                 break;
1159         }
1160
1161         case LFUN_GOTO_PARAGRAPH: {
1162                 istringstream is(argument);
1163                 int id;
1164                 is >> id;
1165                 ParIterator par = owner->buffer()->getParFromID(id);
1166                 if (par == owner->buffer()->par_iterator_end()) {
1167                         lyxerr[Debug::INFO] << "No matching paragraph found! ["
1168                                             << id << ']' << endl;
1169                         break;
1170                 } else {
1171                         lyxerr[Debug::INFO] << "Paragraph " << par->id()
1172                                             << " found." << endl;
1173                 }
1174
1175                 par.lockPath(view());
1176                 LyXText * lt = par.text(view());
1177
1178                 // Set the cursor
1179                 lt->setCursor(par.pit(), 0);
1180                 view()->switchKeyMap();
1181                 owner->view_state_changed();
1182
1183                 view()->center();
1184                 // see BufferView_pimpl::center()
1185                 view()->updateScrollbar();
1186                 break;
1187         }
1188
1189         // ---  Mathed stuff. If we are here, there is no locked inset yet.
1190         case LFUN_MATH_EXTERN:
1191         case LFUN_MATH_NUMBER:
1192         case LFUN_MATH_NONUMBER:
1193         case LFUN_MATH_LIMITS:
1194                 setErrorMessage(N_("This is only allowed in math mode!"));
1195                 break;
1196
1197         // passthrough hat and underscore outside mathed:
1198         case LFUN_SUBSCRIPT:
1199                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "_"));
1200                 break;
1201
1202         case LFUN_SUPERSCRIPT:
1203                 dispatch(FuncRequest(view(), LFUN_SELFINSERT, "^"));
1204                 break;
1205
1206         case LFUN_DIALOG_SHOW: {
1207                 string const name = func.getArg(0);
1208                 string data = trim(func.argument.substr(name.size()));
1209
1210                 if (name == "character") {
1211                         data = freefont2string();
1212                         if (!data.empty())
1213                                 owner->getDialogs().show("character", data);
1214                 } else if (name == "document")
1215                         owner->getDialogs().showDocument();
1216                 else if (name == "findreplace")
1217                         owner->getDialogs().showSearch();
1218                 else if (name == "forks")
1219                         owner->getDialogs().showForks();
1220                 else if (name == "preamble")
1221                         owner->getDialogs().showPreamble();
1222                 else if (name == "preferences")
1223                         owner->getDialogs().showPreferences();
1224                 else if (name == "print")
1225                         owner->getDialogs().showPrint();
1226                 else if (name == "spellchecker")
1227                         owner->getDialogs().showSpellchecker();
1228                 else
1229                         owner->getDialogs().show(name, data);
1230                 break;
1231         }
1232
1233         case LFUN_DIALOG_SHOW_NEW_INSET: {
1234                 string const & name = argument;
1235                 string data;
1236                 if (name == "bibitem" ||
1237                     name == "bibtex" ||
1238                     name == "include" ||
1239                     name == "index" ||
1240                     name == "ref" ||
1241                     name == "toc" ||
1242                     name == "url") {
1243                         InsetCommandParams p(name);
1244                         data = InsetCommandMailer::params2string(name, p);
1245                 } else if (name == "citation") {
1246                         InsetCommandParams p("cite");
1247                         data = InsetCommandMailer::params2string(name, p);
1248                 }
1249                 owner->getDialogs().show(name, data, 0);
1250                 break;
1251         }
1252
1253         case LFUN_DIALOG_SHOW_NEXT_INSET:
1254                 break;
1255
1256         case LFUN_INSET_DIALOG_SHOW: {
1257                 InsetOld * inset = view()->getLyXText()->getInset();
1258                 if (inset)
1259                         inset->dispatch(FuncRequest(view(), LFUN_INSET_DIALOG_SHOW));
1260                 break;
1261         }
1262
1263         case LFUN_DIALOG_UPDATE: {
1264                 string const & name = argument;
1265                 // Can only update a dialog connected to an existing inset
1266                 InsetBase * inset = owner->getDialogs().getOpenInset(name);
1267                 if (inset) {
1268                         FuncRequest fr(view(), LFUN_INSET_DIALOG_UPDATE,
1269                                        func.argument);
1270                         inset->dispatch(fr);
1271                 } else if (name == "paragraph") {
1272                         dispatch(FuncRequest(LFUN_PARAGRAPH_UPDATE));
1273                 }
1274                 break;
1275         }
1276
1277         case LFUN_DIALOG_HIDE:
1278                 Dialogs::hide(argument, 0);
1279                 break;
1280
1281         case LFUN_DIALOG_DISCONNECT_INSET:
1282                 owner->getDialogs().disconnect(argument);
1283                 break;
1284
1285         case LFUN_CHILDOPEN: {
1286                 string const filename =
1287                         MakeAbsPath(argument, owner->buffer()->filePath());
1288                 setMessage(N_("Opening child document ") +
1289                            MakeDisplayPath(filename) + "...");
1290                 view()->savePosition(0);
1291                 if (bufferlist.exists(filename))
1292                         view()->buffer(bufferlist.getBuffer(filename));
1293                 else
1294                         view()->loadLyXFile(filename);
1295                 break;
1296         }
1297
1298         case LFUN_TOGGLECURSORFOLLOW:
1299                 lyxrc.cursor_follows_scrollbar = !lyxrc.cursor_follows_scrollbar;
1300                 break;
1301
1302         case LFUN_KMAP_OFF:
1303                 owner->getIntl().KeyMapOn(false);
1304                 break;
1305
1306         case LFUN_KMAP_PRIM:
1307                 owner->getIntl().KeyMapPrim();
1308                 break;
1309
1310         case LFUN_KMAP_SEC:
1311                 owner->getIntl().KeyMapSec();
1312                 break;
1313
1314         case LFUN_KMAP_TOGGLE:
1315                 owner->getIntl().ToggleKeyMap();
1316                 break;
1317
1318         case LFUN_REPEAT: {
1319                 // repeat command
1320                 string countstr;
1321                 argument = split(argument, countstr, ' ');
1322                 istringstream is(countstr);
1323                 int count = 0;
1324                 is >> count;
1325                 lyxerr << "repeat: count: " << count << " cmd: " << argument << endl;
1326                 for (int i = 0; i < count; ++i)
1327                         dispatch(lyxaction.lookupFunc(argument));
1328                 break;
1329         }
1330
1331         case LFUN_SEQUENCE:
1332                 // argument contains ';'-terminated commands
1333                 while (!argument.empty()) {
1334                         string first;
1335                         argument = split(argument, first, ';');
1336                         dispatch(lyxaction.lookupFunc(first));
1337                 }
1338                 break;
1339
1340         case LFUN_SAVEPREFERENCES: {
1341                 Path p(user_lyxdir());
1342                 lyxrc.write("preferences");
1343                 break;
1344         }
1345
1346         case LFUN_SCREEN_FONT_UPDATE:
1347                 // handle the screen font changes.
1348                 lyxrc.set_font_norm_type();
1349                 lyx_gui::update_fonts();
1350                 // All visible buffers will need resize
1351                 view()->resize();
1352                 view()->update();
1353                 break;
1354
1355         case LFUN_SET_COLOR: {
1356                 string lyx_name;
1357                 string const x11_name = split(argument, lyx_name, ' ');
1358                 if (lyx_name.empty() || x11_name.empty()) {
1359                         setErrorMessage(N_("Syntax: set-color <lyx_name>"
1360                                                 " <x11_name>"));
1361                         break;
1362                 }
1363
1364                 bool const graphicsbg_changed =
1365                         (lyx_name == lcolor.getLyXName(LColor::graphicsbg) &&
1366                          x11_name != lcolor.getX11Name(LColor::graphicsbg));
1367
1368                 if (!lcolor.setColor(lyx_name, x11_name)) {
1369                         setErrorMessage(
1370                                 bformat(_("Set-color \"%1$s\" failed "
1371                                                   "- color is undefined or "
1372                                                   "may not be redefined"), lyx_name));
1373                         break;
1374                 }
1375
1376                 lyx_gui::update_color(lcolor.getFromLyXName(lyx_name));
1377
1378                 if (graphicsbg_changed) {
1379 #ifdef WITH_WARNINGS
1380 #warning FIXME!! The graphics cache no longer has a changeDisplay method.
1381 #endif
1382 #if 0
1383                         lyx::graphics::GCache::get().changeDisplay(true);
1384 #endif
1385                 }
1386
1387                 view()->update();
1388                 break;
1389         }
1390
1391         case LFUN_MESSAGE:
1392                 owner->message(argument);
1393                 break;
1394
1395         case LFUN_FORKS_KILL:
1396                 if (isStrInt(argument)) {
1397                         pid_t const pid = strToInt(argument);
1398                         ForkedcallsController::get().kill(pid);
1399                         break;
1400                 }
1401
1402         case LFUN_TOOLTIPS_TOGGLE:
1403                 owner->getDialogs().toggleTooltips();
1404                 break;
1405
1406         case LFUN_EXTERNAL_EDIT:
1407                 InsetExternal().dispatch(FuncRequest(view(), action, argument));
1408                 break;
1409
1410         default: {
1411                         DispatchResult result =
1412                                 view()->cursor().dispatch(FuncRequest(func, view()));
1413                         if (result.dispatched()) {
1414                                 if (result.update())
1415                                         view()->update();
1416                                 lyxerr << "dispatched by Cursor::dispatch()" << endl;
1417                         } else {
1418                                 lyxerr << "### NOT DISPATCHED BY Cursor::dispatch() ###" << endl;
1419                         }
1420                         break;
1421                 }
1422         }
1423
1424 exit_with_message:
1425
1426         view()->owner()->updateLayoutChoice();
1427
1428         if (view()->available()) {
1429                 if (view()->fitCursor()) {
1430                         //lyxerr << "LyXFunc->fitCursor->update" << endl;
1431                         view()->update();
1432                 }
1433
1434                 // If we executed a mutating lfun, mark the buffer as dirty
1435                 if (!getStatus(func).disabled()
1436                     && !lyxaction.funcHasFlag(func.action, LyXAction::NoBuffer)
1437                     && !lyxaction.funcHasFlag(func.action, LyXAction::ReadOnly))
1438                         view()->buffer()->markDirty();
1439         }
1440
1441         sendDispatchMessage(getMessage(), func, verbose);
1442 }
1443
1444
1445 void LyXFunc::sendDispatchMessage(string const & msg,
1446                                   FuncRequest const & func, bool verbose)
1447 {
1448         owner->updateMenubar();
1449         owner->updateToolbar();
1450
1451         if (func.action == LFUN_SELFINSERT || !verbose) {
1452                 lyxerr[Debug::ACTION] << "dispatch msg is " << msg << endl;
1453                 if (!msg.empty())
1454                         owner->message(msg);
1455                 return;
1456         }
1457
1458         string dispatch_msg = msg;
1459         if (!dispatch_msg.empty())
1460                 dispatch_msg += ' ';
1461
1462         string comname = lyxaction.getActionName(func.action);
1463
1464         bool argsadded = false;
1465
1466         if (!func.argument.empty()) {
1467                 if (func.action != LFUN_UNKNOWN_ACTION) {
1468                         comname += ' ' + func.argument;
1469                         argsadded = true;
1470                 }
1471         }
1472
1473         string const shortcuts = toplevel_keymap->findbinding(func);
1474
1475         if (!shortcuts.empty()) {
1476                 comname += ": " + shortcuts;
1477         } else if (!argsadded && !func.argument.empty()) {
1478                 comname += ' ' + func.argument;
1479         }
1480
1481         if (!comname.empty()) {
1482                 comname = rtrim(comname);
1483                 dispatch_msg += '(' + comname + ')';
1484         }
1485
1486         lyxerr[Debug::ACTION] << "verbose dispatch msg " << dispatch_msg << endl;
1487         if (!dispatch_msg.empty())
1488                 owner->message(dispatch_msg);
1489 }
1490
1491
1492 void LyXFunc::setupLocalKeymap()
1493 {
1494         keyseq.stdmap = keyseq.curmap = toplevel_keymap.get();
1495         cancel_meta_seq.stdmap = cancel_meta_seq.curmap = toplevel_keymap.get();
1496 }
1497
1498
1499 void LyXFunc::menuNew(string const & name, bool fromTemplate)
1500 {
1501         string initpath = lyxrc.document_path;
1502         string filename(name);
1503
1504         if (view()->available()) {
1505                 string const trypath = owner->buffer()->filePath();
1506                 // If directory is writeable, use this as default.
1507                 if (IsDirWriteable(trypath))
1508                         initpath = trypath;
1509         }
1510
1511         static int newfile_number;
1512
1513         if (filename.empty()) {
1514                 filename = AddName(lyxrc.document_path,
1515                             "newfile" + tostr(++newfile_number) + ".lyx");
1516                 FileInfo fi(filename);
1517                 while (bufferlist.exists(filename) || fi.readable()) {
1518                         ++newfile_number;
1519                         filename = AddName(lyxrc.document_path,
1520                                     "newfile" + tostr(newfile_number) +
1521                                     ".lyx");
1522                         fi.newFile(filename);
1523                 }
1524         }
1525
1526         // The template stuff
1527         string templname;
1528         if (fromTemplate) {
1529                 FileDialog fileDlg(_("Select template file"),
1530                         LFUN_SELECT_FILE_SYNC,
1531                         make_pair(string(_("Documents|#o#O")),
1532                                   string(lyxrc.document_path)),
1533                         make_pair(string(_("Templates|#T#t")),
1534                                   string(lyxrc.template_path)));
1535
1536                 FileDialog::Result result =
1537                         fileDlg.open(lyxrc.template_path,
1538                                        _("*.lyx| LyX Documents (*.lyx)"));
1539
1540                 if (result.first == FileDialog::Later)
1541                         return;
1542
1543                 string const fname = result.second;
1544
1545                 if (fname.empty())
1546                         return;
1547                 templname = fname;
1548         }
1549
1550         view()->newFile(filename, templname, !name.empty());
1551 }
1552
1553
1554 void LyXFunc::open(string const & fname)
1555 {
1556         string initpath = lyxrc.document_path;
1557
1558         if (view()->available()) {
1559                 string const trypath = owner->buffer()->filePath();
1560                 // If directory is writeable, use this as default.
1561                 if (IsDirWriteable(trypath))
1562                         initpath = trypath;
1563         }
1564
1565         string filename;
1566
1567         if (fname.empty()) {
1568                 FileDialog fileDlg(_("Select document to open"),
1569                         LFUN_FILE_OPEN,
1570                         make_pair(string(_("Documents|#o#O")),
1571                                   string(lyxrc.document_path)),
1572                         make_pair(string(_("Examples|#E#e")),
1573                                   string(AddPath(system_lyxdir(), "examples"))));
1574
1575                 FileDialog::Result result =
1576                         fileDlg.open(initpath,
1577                                        _("*.lyx| LyX Documents (*.lyx)"));
1578
1579                 if (result.first == FileDialog::Later)
1580                         return;
1581
1582                 filename = result.second;
1583
1584                 // check selected filename
1585                 if (filename.empty()) {
1586                         owner->message(_("Canceled."));
1587                         return;
1588                 }
1589         } else
1590                 filename = fname;
1591
1592         // get absolute path of file and add ".lyx" to the filename if
1593         // necessary
1594         string const fullpath = FileSearch(string(), filename, "lyx");
1595         if (!fullpath.empty()) {
1596                 filename = fullpath;
1597         }
1598
1599         string const disp_fn(MakeDisplayPath(filename));
1600
1601         // if the file doesn't exist, let the user create one
1602         FileInfo const f(filename, true);
1603         if (!f.exist()) {
1604                 // the user specifically chose this name. Believe them.
1605                 view()->newFile(filename, "", true);
1606                 return;
1607         }
1608
1609         owner->message(bformat(_("Opening document %1$s..."), disp_fn));
1610
1611         string str2;
1612         if (view()->loadLyXFile(filename)) {
1613                 str2 = bformat(_("Document %1$s opened."), disp_fn);
1614         } else {
1615                 str2 = bformat(_("Could not open document %1$s"), disp_fn);
1616         }
1617         owner->message(str2);
1618 }
1619
1620
1621 void LyXFunc::doImport(string const & argument)
1622 {
1623         string format;
1624         string filename = split(argument, format, ' ');
1625
1626         lyxerr[Debug::INFO] << "LyXFunc::doImport: " << format
1627                             << " file: " << filename << endl;
1628
1629         // need user interaction
1630         if (filename.empty()) {
1631                 string initpath = lyxrc.document_path;
1632
1633                 if (view()->available()) {
1634                         string const trypath = owner->buffer()->filePath();
1635                         // If directory is writeable, use this as default.
1636                         if (IsDirWriteable(trypath))
1637                                 initpath = trypath;
1638                 }
1639
1640                 string const text = bformat(_("Select %1$s file to import"),
1641                         formats.prettyName(format));
1642
1643                 FileDialog fileDlg(text,
1644                         LFUN_IMPORT,
1645                         make_pair(string(_("Documents|#o#O")),
1646                                   string(lyxrc.document_path)),
1647                         make_pair(string(_("Examples|#E#e")),
1648                                   string(AddPath(system_lyxdir(), "examples"))));
1649
1650                 string const extension = "*." + formats.extension(format)
1651                         + "| " + formats.prettyName(format)
1652                         + " (*." + formats.extension(format) + ')';
1653
1654                 FileDialog::Result result = fileDlg.open(initpath,
1655                                                            extension);
1656
1657                 if (result.first == FileDialog::Later)
1658                         return;
1659
1660                 filename = result.second;
1661
1662                 // check selected filename
1663                 if (filename.empty())
1664                         owner->message(_("Canceled."));
1665         }
1666
1667         if (filename.empty())
1668                 return;
1669
1670         // get absolute path of file
1671         filename = MakeAbsPath(filename);
1672
1673         string const lyxfile = ChangeExtension(filename, ".lyx");
1674
1675         // Check if the document already is open
1676         if (lyx_gui::use_gui && bufferlist.exists(lyxfile)) {
1677                 if (!bufferlist.close(bufferlist.getBuffer(lyxfile), true)) {
1678                         owner->message(_("Canceled."));
1679                         return;
1680                 }
1681         }
1682
1683         // if the file exists already, and we didn't do
1684         // -i lyx thefile.lyx, warn
1685         if (FileInfo(lyxfile, true).exist() && filename != lyxfile) {
1686                 string const file = MakeDisplayPath(lyxfile, 30);
1687
1688                 string text = bformat(_("The document %1$s already exists.\n\n"
1689                         "Do you want to over-write that document?"), file);
1690                 int const ret = Alert::prompt(_("Over-write document?"),
1691                         text, 0, 1, _("&Over-write"), _("&Cancel"));
1692
1693                 if (ret == 1) {
1694                         owner->message(_("Canceled."));
1695                         return;
1696                 }
1697         }
1698
1699         Importer::Import(owner, filename, format);
1700 }
1701
1702
1703 void LyXFunc::closeBuffer()
1704 {
1705         if (bufferlist.close(owner->buffer(), true) && !quitting) {
1706                 if (bufferlist.empty()) {
1707                         // need this otherwise SEGV may occur while
1708                         // trying to set variables that don't exist
1709                         // since there's no current buffer
1710                         owner->getDialogs().hideBufferDependent();
1711                 } else {
1712                         view()->buffer(bufferlist.first());
1713                 }
1714         }
1715 }
1716
1717
1718 // Each "owner" should have it's own message method. lyxview and
1719 // the minibuffer would use the minibuffer, but lyxserver would
1720 // send an ERROR signal to its client.  Alejandro 970603
1721 // This func is bit problematic when it comes to NLS, to make the
1722 // lyx servers client be language indepenent we must not translate
1723 // strings sent to this func.
1724 void LyXFunc::setErrorMessage(string const & m) const
1725 {
1726         dispatch_buffer = m;
1727         errorstat = true;
1728 }
1729
1730
1731 void LyXFunc::setMessage(string const & m) const
1732 {
1733         dispatch_buffer = m;
1734 }
1735
1736
1737 void LyXFunc::setStatusMessage(string const & m) const
1738 {
1739         status_buffer = m;
1740 }
1741
1742
1743 string const LyXFunc::view_status_message()
1744 {
1745         // When meta-fake key is pressed, show the key sequence so far + "M-".
1746         if (wasMetaKey()) {
1747                 return keyseq.print() + "M-";
1748         }
1749
1750         // Else, when a non-complete key sequence is pressed,
1751         // show the available options.
1752         if (keyseq.length() > 0 && !keyseq.deleted()) {
1753                 return keyseq.printOptions();
1754         }
1755
1756         if (!view()->available())
1757                 return _("Welcome to LyX!");
1758
1759         return currentState(view());
1760 }
1761
1762
1763 BufferView * LyXFunc::view() const
1764 {
1765         BOOST_ASSERT(owner);
1766         return owner->view().get();
1767 }
1768
1769
1770 bool LyXFunc::wasMetaKey() const
1771 {
1772         return (meta_fake_bit != key_modifier::none);
1773 }